Parameters | Expression Parameters | Baseline
Baseline
Use this field to specify the variable whose values function as the baseline for normalization .
Leave this blank to use the average across all columns for the baseline.
To Specify a Baseline Variable:
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Specify the Input SAS Data Set .
All of the variables in the specified data set are displayed in the Available Variables field.
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Examine the list of available variables.
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Highlight the desired variable.
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Click to add the highlighted variable to the Baseline field, as shown below: